Violet light has a wavelength of 4.10x10 to the power of -12m what is the frequency?

Answers

Answer 1

Answer: Frequency of any wave = (the wave's speed) divided by (its wavelength)

Speed of light = about (3 x 10 to the 8) meters per second, in vacuum.

Frequency = (3 x 10 to the 8) / (4.1 x 10 to the -12) = 7.317 x 10 to the 19 Hz.

That's the same as 73,170,000,000 GHz.

Note:
That's the answer for the information given in the question, but the information in
the question is incorrect by 5 orders of magnitude. The wavelength of violet light,
or anything in the visible range, is a few hundred 'nanometers' ... a few hundreds
of 10 to the -9 . So the number in the question should be 4.10 x 10 to the -7,
not -12, and the frequency should be 731,700 GHz.

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arrange the stars based on their temperature. begin with the coolest star, and end with the hottest star

Answers

Answer:

Temperature – cooler stars are red, warmer ones are orange through yellow and white. The hottest stars shine with blue light. Age – As a star ages it produces different chemicals which burn at different temperatures.

Help please!
Which of the following are valid names for the equinoxes?

Answers

Vernal Equinox and Autumn Equinox and Winter and Summer Solstice. :D Hope that helps.

There is a Spring equinox (March in the northern hemisphere), and a Fall equinox (September).

6. A golf ball is hit a distance of 300 yards in 10 sec. What is the speed of the golf ballo

Answers

The speed of the ball is 27.4 m/s

Explanation:

The speed of an object is given by:

$speed=(d)/(t)$

where

d is the distance covered

t is the time taken

In this problem, we have:

d = 300 yards is the distance covered by the golf ball

t = 10 s is the time taken

Keeping in mind that

1 yard = 0.914 m

We can convert the distance from yards to meters:

$d = 300 \cdot 0.914 = 274.2 m$

And substituting into the equation, we find the speed of the ball:

$speed=(274.2)/(10)=27.4 m/s$

Learn more about speed:

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What is the weight of a cat that has a mass of 7.02kg?73.4N
72.5N
68.8N
70.2N

Answers

Answer:

The last one 70.2N

Explanation:

Take the decimal and move it over one space

Q1. In a 100m track event, the time taken by four runners is 10 sec., 10.2 sec., 10.4 sec and 10.6 sec. Find the ratio of their speed.

Answers

distance (s)=100m
time
T₁=10
T₂=10.2
T₃=10.4
T₄=10.6
by v= $(s)/(t)$
we get
V₁= $(100)/(10)$
V₁=10m/s

V₂= $(100)/(10.2)$
V₂=9.8m/s

V₃= $(100)/(10.4)$
V₃=9.61 m/s

V₄= $(100)/(10.6)$
V₄=9.43 m/s

V₁:V₂:V₃:V₄ = 10 : 9.8 : 9.61 : 9.43

Inertie is the resistance to change in motion so inertia depends solely on what?

Answers

Inertie is the resistance to change in motion so inertia depends solely
on the mass of the object being coaxed to change its motion.

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